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Abstract:
PURPOSE:To evaluate the role of contrast-enhanced ultrasound (CEUS) in differentiating bland thrombus from tumor thrombus of the inferior vena cava (IVC) in patients with renal cell carcinoma (RCC). MATERIALS AND METHODS:We retrospectively investigated 30 consecutive patients who underwent robot-assisted radical nephrectomy with IVC thrombectomy and had pathologically confirmed RCC. All patients underwent US and CEUS examination. Two offline readers observed and recorded thrombus imaging information and enhancement patterns. Sensitivity, specificity, accuracy, positive predictive value and negative predictive value for bland thrombus were assessed. RESULTS:Of the 30 patients, no adverse events occurred during administration of the contrast agent. Early enhancement of the mass within the IVC lumen on CEUS was na indicator of tumor thrombus. Bland thrombus showed no intraluminal flow on CEUS. There were eight (26.7%) patients with bland thrombus, including three level II, two level III, and three level IV. There were three cases with cephalic bland thrombus and five cases with caudal bland thrombus. Three caudal bland thrombi extended to the iliac vein and underwent surgical IVC interruption. Based on no intraluminal flow, for bland thrombus, CEUS had 87.5% sensitivity, 100% specificity, 96.7% accuracy, 100% positive predictive value and 95.6% negative predictive value. CONCLUSION:Our study demonstrates the potential of CEUS in the differentiation of bland and tumor thrombus of the IVC in patients with RCC. Since CEUS is an effective, inexpensive, and non-invasive method, it could be a reliable tool in the evaluation of IVC thrombus in patients with RCC.
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最新影响因子:3.05 | 期刊ISSN:1677-5538 | CiteScore:0.81 |
出版周期: | 是否OA:YES | 出版年份:2002 |
期刊官方网址:http://www.scielo.br/scielo.php?script=sci_serial&pid=1677-5538&lng=en&nrm=iso
自引率:9.10% | 研究方向:UROLOGY & NEPHROLOGY- |
出版地区:BRAZIL |
SCI期刊coverage:Science Citation Index Expanded(科学引文索引扩展)
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The International Braz J Urol is an oficialpublication of the Brazilian Society of Urology. It was founded in 1975 by a group of urologists, effective members of BSU, as an oficialway for cientific spread, since then it never stoped been bimonthly published.
巴西泌尿学会的官方出版物。它成立于1975年,由一群泌尿科医生,有效的成员,BSU,作为一个科学传播的官方方式,从那时起,它一直出版双月刊。
大类(学科) | 小类(学科) | 学科排名 |
医学 |
UROLOGY & NEPHROLOGY (泌尿学与肾脏学) 4区 |
67/76 |
年度总发文量 | 年度论文发表量 | 年度综述发表量 |
130 | 121 | 9 |
引文计数(2018)
文献(2015-2017)
459次引用
567篇文献
序号 | 类别 | 排名 | 百分位 |
1 |
大类(学科):Medicine
小类(学科):Urology
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#64/97
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影响因子:2.438
ISSN:0261-1929
研究方向:农林科学-兽医学
影响因子:3.025
ISSN:1094-7159
研究方向:医学-临床神经学
影响因子:4.169
ISSN:0264-410X
研究方向:医学-免疫学
影响因子:17.579
ISSN:0022-1007
研究方向:医学-免疫学
影响因子:5.274
ISSN:0971-5916
研究方向:医学-免疫学
影响因子:4.061
ISSN:2314-6745
研究方向:ENDOCRINOLOGY & METABOLISM-MEDICINE, RESEARCH & EX
影响因子:2.976
ISSN:0914-8779
研究方向:医学-内分泌学与代谢
影响因子:4.75
ISSN:0141-8955
研究方向:医学-内分泌学与代谢
影响因子:10.171
ISSN:1931-5244
研究方向:医学-医学:内科
发表一篇学和医学成像类SCI论文
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